feat(graphs): add Union-Find (Disjoint Set Union)#6
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kelsonbrito50 merged 1 commit intomainfrom Feb 28, 2026
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- UnionFind class with path compression and union by rank - has_cycle utility for undirected graphs - Full test coverage (9 tests)
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Adds Union-Find data structure with path compression and union by rank, plus cycle detection utility. 9 tests.